Function crypto_aead_xchacha20poly1305_ietf_encrypt_detached_inplace 

pub fn crypto_aead_xchacha20poly1305_ietf_encrypt_detached_inplace(
    data: &mut [u8],
    mac: &mut Mac,
    associated_data: Option<&[u8]>,
    nonce: &Nonce,
    key: &Key,
) -> Result<(), Error>

In-place detached variant of crypto_aead_xchacha20poly1305_ietf_encrypt_detached.

Errors

Returns an error if data exceeds the maximum supported message length.